Enzymes E.C. NumberCleavage sitesSerineproteases（丝氨酸蛋白酶）E.C.3.4.21.-chymotrypsin(胰凝乳蛋白酶，糜蛋白酶)E.C.3.4.21.1 Tyr-|-Xaa,Trp-|-Xaa, Phe-|-Xaa, andalsoLeu-|-Xaa,Met-|-Xaa,Trypsin (胰朊酶，胰蛋白酶)E.C.3.4.21.4 Arg-|-Xaa, Lys-|-Xaa,Pancreatic elastase (胰弹性蛋白酶)E.C.3.4.21.36 Ala-|-Xaa,andalsoGly-|-Xaa,Val-|-Xaa, Ser-|-Xaa,Thrombin(凝血酶)E.C.3.4.21.5 Arg-|-Gly,Plasmin(胞质素，胞浆素)E.C.3.4.21.7Lys-|-Xaa,Arg-|-XaaProlyl oligopeptidase,or prolylendopeptidaseE.C.3.4
